Hi Mike,
yes it looks like that may well be the right parents, the aforementioned Marriage Record is indeed in Awre;

Record_ID: 944
Entry_Number: 160
Year: 1827
Month: Aug
Day: 18
Grooms_Surname: WOOD
Grooms_Forenames: William
Grooms_Age: [not stated]
Groom_Condition: [not stated]
Grooms_Occupation: [not stated]
Grooms_Residence: Forest of Dean
Grooms_Fathers_Surname: [not stated]
Grooms_Fathers_Forenames: [not stated]
Grooms_Fathers_Occupation: [not stated]
Brides_Surname: EVANS
Brides_Forenames: Harriet
Brides_Age: [not stated]
Brides_Condition: [not stated]
Brides_Occupation: [not stated]
Brides_Residence: Awre
Brides_Fathers_Surname: [not stated]
Brides_Fathers_Forenames: [not stated]
Brides_Fathers_Occupation: [not stated]
Licence_or_Banns: Banns
Date_of_Banns:
Signature_or_Mark: Both Sign
Witness_1: Sarah Wood
Witness_2: John Evans
Other_Witnesses:
Officiating_Minister: J. H. Malpas Vicar
Event: Marriage
Memoranda: with Consent of Parents
Notes:
Register_Reference: P30 IN 1/5
Page_Number: 54
Parish_Chapel: Awre
Soundex_Groom: W300
Soundex_Bride: E152